WO1996000350A1 - Horizontal scroll compressor - Google Patents
Horizontal scroll compressor Download PDFInfo
- Publication number
- WO1996000350A1 WO1996000350A1 PCT/JP1995/001233 JP9501233W WO9600350A1 WO 1996000350 A1 WO1996000350 A1 WO 1996000350A1 JP 9501233 W JP9501233 W JP 9501233W WO 9600350 A1 WO9600350 A1 WO 9600350A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suction
- scroll
- compression
- housing
- compression element
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2250/00—Geometry
- F04C2250/10—Geometry of the inlet or outlet
- F04C2250/101—Geometry of the inlet or outlet of the inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
- F05B2250/501—Inlet
Definitions
- the present invention relates to a horizontal scroll compressor, and more particularly, to a compressor in which a fixed scroll and a movable scroll each having a head plate and a spiral body are combined.
- this scroll-type compressor has a horizontal hermetic casing (C) with a compression element (E) on one side and a machine (M) on the other side, which is housed in the UK. ing.
- the above dffi reduction element (E) includes a fixed scroll (FS) and a movable scroll (OS) each having a scroll formed on the front surface of the end plate, and the fixed scroll (FS) and the movable scroll (OS) are provided. ) Spirals are interlocked.
- the machine (M) is connected to the end plate of the movable scroll (OS) via the drive shaft (S).
- One end of the drive shaft (S) on the side of the compression element (E) is supported by a closed casing (C) via a first bearing housing (H), and the other end is a second bearing (not shown). It is supported by a closed casing (C) via a housing.
- a suction pipe (J) that opens into the internal space (A) between the compression element (E) and the machine (M) is connected to the closed casing (C).
- the first housing (H) has a partition made of a flexible material such as rubber.
- the member (B) is provided to partition the suction side of the force compression element (E) and the internal space (A). Further, a suction A3 ⁇ 41 ⁇ 2 (D) force is formed in the upper part of the first $ receiving housing (H) so that the internal space (A) is on the suction side of the compression element (E).
- a partition wall (F) for forming a discharge chamber (G) is provided on the back side of the fixed scroll (FS).
- a discharge port ( ⁇ ) formed in the end plate of the fixed scroll (FS) is opened to the discharge chamber (G), and a discharge pipe ( ⁇ ) force is communicated with the discharge chamber (G).
- the orbiting scroll (OS) performs only the driving without rotating on the fixed scroll (FS). Then, for example, the evaporator power of the refrigeration system, et back iSE gas refrigerant suction pipe into the interior space (A) of the closed Ke one single from (J) (C) " ⁇ » 0
- the gas refrigerant passes through the internal space (A) and the suction path (D) to form a compression element ( ⁇ ), which is compressed by the compression element ( ⁇ ). Thereafter, the high-pressure gas refrigerant flows into the discharge chamber (G) through the compression element ( ⁇ ), the discharge port ( ⁇ ), and is supplied to the condenser through the discharge pipe ( ⁇ ).
- each suction port is positioned at an intermediate portion in the vertical direction of the closed casing (C).
- the height of the suction port located at the lower portion can be located at the intermediate portion.
- the liquid refrigerant that has passed through the suction force, the force, and the suction ⁇ 5 (D) is directly sucked into each suction port of the suction passage (D). Therefore, there is a problem that liquid compression cannot be sufficiently solved.
- the present invention has been made in view of the above point, and prevents liquid compression even if there is a stagnation of a liquid refrigerant or a large amount of liquid return, causing a start failure due to liquid compression, breakage of a spiral body, etc.
- the purpose of the present invention is to solve the above problem with a simple configuration.
- the means according to the first aspect of the present invention includes a horizontal closed casing (1) in which a compression element (E) is provided on one side and a reciter ( M) Power ⁇ That's what was delivered to the UR.
- the above-mentioned compression element (E) is a fixed scroll (2) formed by a spiral body (2b, 3b) force ⁇ formed on the front surface of the head plate (2a, 3a), respectively!
- the scrolls (3) are constructed by combining the spiral bodies (2b, 3b) of the moving scroll (3), and a pair of compression chambers (RA, RB) are formed between the scrolls (2, 3).
- the machine (M) is connected to the movable scroll (3) so as to revolve the movable scroll (3). Further, it is assumed that the horizontal scroll compressor has an intake pipe (11) opening between the compression element (E) and the compressor (M) in the internal space (12) of the closed casing (1).
- the end of the spiral body (2b) in the fixed scroll (2) is connected to the movable scroll (3) so as to be close to the suction ports (22, 23) of the paired compression chambers (RA, RB).
- the two scrolls (2, 3) are extended so as to extend toward the end of the spiral of the spiral body (3b) and to be located at the upper part of the suction casing (1). .
- the internal space (12) has a housing (4) that partitions the internal space (12) into a compression element chamber (12A) and a machine room (12B).
- the suction pipe (11) is open to the force (12B).
- a suction ⁇ path (24) force is formed at the suction part (24, 23) that opens to the suction port (22, 23).
- An oil return passage (25) communicating with the element chamber (12A) and the 3 ⁇ 43 ⁇ 4am (12B) and having a predetermined il resistance is provided.
- the invention according to claim 2 ⁇ means taken in the invention of claim 1 The opening position of the pipe (11) to (12B) is shifted in the circumferential direction with respect to the suction AS passage (24) at the top of the housing).
- the means according to the third aspect of the present invention is the invention according to the first or second aspect, wherein the suction ⁇ channel (24) is connected to the suction ports (22, 23) of the paired compression chambers (RA, RB). ) Is formed at a position shifted in the circumferential direction with respect to.
- the suction passage (24) is arranged such that the suction passage (24) is located in front of the suction port (22, 23) in the revolving direction of the movable scroll (3). It is formed at a position shifted to the side.
- the end of the spiral body (2b) of the fixed scroll (2) is extended, and the spiral body (2b) and the spiral body of the movable scroll (3) are extended.
- (3b) is asymmetric ⁇ .
- the suction ports (22, 23) of the paired compression chambers (RA, RB) are brought close to each other, and these suction ports (22, 28) are arranged at the upper part of the closed casing (1).
- the housing (4) separates the compression element chamber (12A) from which the suction ports (22, 23) open, and the suction pipe (11), which opens (12B), and the upper part of the housing (4).
- An oil return path (25) is provided in the housing (4), while an oil absorption path (24) is provided in the housing (4).
- the suction pipe (11) returns to the liquid casing and the liquid casing (1), and returns to the liquid casing. May enter the compression element chamber (12A).
- the solution of the lubricating oil and the refrigerant may be homed, and bubbles of the solution may enter the compression element chamber (12A) from the ⁇ path (24) due to the homing.
- the suction ports (22, 23) of each compression chamber (RA, RB) are located at the top, the liquid refrigerant / dissolved liquid flows from the suction ports (22, 23) to the compression chambers (RA, RB). There is no suction and liquid compression is suppressed.
- the scrolls (2, 8) of the scrolls (2, 8) are made asymmetric, the outer diameter of the scroll (outer diameter of the end plate) can be suppressed, so that the liquid can be prevented from being compressed while reducing the size. , Improves reliability.
- the opening position of the suction pipe (11) is shifted in the circumferential direction with respect to the suction ⁇ channel (24), a case where a large amount of liquid refrigerant returns from the suction pipe (11). However, this liquid refrigerant is not sucked directly from the suction pipe (11) into the ⁇ 3 ⁇ 4 path (24). As a result, the problem of liquid compression can be solved more reliably, and higher reliability can be obtained.
- the suction pipe (11) force and many other liquid refrigerants return to the closed casing (1), and the liquid refrigerant May enter the compression element chamber (12A).
- the solution of the lubricating oil and the refrigerant may be homed, and bubbles of the solution may flow from the suction passage (24) to the compression element chamber (12A) due to the homing.
- the suction ports (22, 23) of the compression chambers (RA, RB) are located at the upper part, the bubbles and the liquid refrigerant are compressed by the suction ports (22, 23).
- RA, RB can be reliably prevented from being sucked into, and compression can be reliably prevented. Further, since the oil return passage (25) is provided in the housing (4), the force of the compression element chamber (12A) and the oil return force to the 3 ⁇ 43 ⁇ 4 ⁇ (12B) can be ensured. In addition, oil can be reliably prevented from being generated by the orbiting scroll (3).
- the spiral body (2b) of the fixed scroll (2) and the spiral body (3b) of the orbiting scroll (3) are asymmetrical, the outer diameter of the scroll (outer diameter of the end plate) can be suppressed, so that a small In addition, it is possible to prevent thigh contraction when it is possible to increase the power;
- the opening position of the suction pipe (11) is shifted in the circumferential direction with respect to the suction passage (24), a large amount of liquid refrigerant returns from the suction pipe (11). Even in this case, it is possible to prevent the liquid refrigerant from being sucked directly from the suction pipe (11) into the suction passage (24).
- the problem of liquid compression can be more reliably solved, and the ability to obtain higher reliability can be achieved.
- the suction passage (24) is shifted in the circumferential direction with respect to the suction ports (22, 23), when the liquid refrigerant enters the suction passage (24), This can prevent the liquid refrigerant from scattering and being directly sucked into the suction ports (22, 23).
- the suction ⁇ path (24) is shifted to the front side in the revolving direction of the orbiting scroll (3) with respect to the suction force (24) with respect to the suction port (22, 23).
- the mouths (22, 23) are located on the back side of the end of the scroll in the scroll (3b) of the orbiting scroll (3).
- FIG. 1 shows an embodiment of the present invention, and is a cross-sectional view of a fixed scroll and a scroll of a moving scroll, in which a part of a spiral body is cut away and a housing is viewed.
- FIG. 2 is a longitudinal sectional view of the horizontal scroll compressor in which one part is omitted.
- FIG. 3 is a right side view showing only the housing.
- FIG. 4 is a cross-sectional view of a main part of a horizontal scroll compressor showing another embodiment.
- FIG. 5 is a vertical cross-sectional view of a conventional horizontal scroll compressor shown with one part omitted.
- this horizontal scroll compressor is provided in the refrigerant circuit of the refrigeration system, and is compressed on one side of a horizontally long sealed casing (1).
- the compression element (E) is composed of a fixed scroll (2) formed by a spiral body (2b) on the front surface of the head plate (2a) and a spiral body (3b) force formed on the front surface of the head plate (3a). It consists of a movable scroll (3), and the spiral body (2b) of the fixed scroll (2) and the spiral body (3b) of the movable scroll (3) are engaged with each other.
- the dedicated shaft (5) is strongly connected to the electric motor (M), and is connected to the movable scroll (3) so as to revolve the dedicated shaft (5) ⁇ the movable scroll (3).
- One end of the drive shaft (5) is supported via a bearing (6a) on a housing (4) which is close to the compression element (E) and is fixed to the closed casing (1). Although not shown, it is supported by a closed casing (1) via a bearing housing.
- An eccentric shaft (7) force is formed at one end of the driving mechanism (5), and the eccentric fisting mechanism (7) protrudes from the rear side of the end plate (3a) in the movable scroll (3). It is inserted into a cylindrical shaft member (8) as a bearing (6b).
- An Oldham ring (9) for preventing rotation is provided between the end plate (3a) of the orbiting scroll (3) and the housing (4).
- the motor (M) is driven to rotate the drive motor (5), the movable scroll (3) performs only a revolving motion without rotating on the fixed scroll (2).
- a first compression chamber (RA) and a second compression chamber (RB) are formed between the spiral bodies (2b, 3b).
- the refrigerant is compressed by the volume shrinkage of the compression chambers (RA, RB), and the refrigerant is discharged from a discharge port (10) formed at the center of the end plate (2a) of the fixed scroll (2).
- a suction pipe (11) for introducing refrigerant is opened between the compression element (E) and the electric motor (M) in the internal space (12) of the closed casing (1).
- a partition plate (13) fixed to the closed casing (1) On the back of the end plate (2a) of the fixed scroll (2), a partition plate (13) fixed to the closed casing (1) is provided.
- the partition plate (13) defines a discharge chamber (14) behind the end plate (2a) of the fixed scroll (2).
- a discharge port (10) is opened to the discharge chamber (14) via a discharge valve device (15) provided on a partition plate (13), and the discharge pipe (16) has a force ⁇ communication. .
- the partition plate (13) is provided with a demister (17) for collecting lubricating oil, while the lubricating oil in the discharge chamber (U) is electrically driven by a capillar (18). Will be recovered.
- the partition plate (13) is provided on a gas shielding portion (19) body, and a capillary guide (20) is provided at an end of the capillary (18) while the sealing casing is provided.
- the ring (1) is supported on the installation surface (GL) in an oblique manner by the mounting legs (21).
- the feature of the present invention resides first in the spiral body (2b) of the fixed scroll (2) as shown in FIG. That is, the winding end of the spiral body (2b) in the fixed scroll (2) is approximately 180 ° from the winding end to the part of the scroll (3W) in the movable scroll (3) that faces the winding end. It has been extended.
- suction ports (22, 23) of the two compression chambers (RA, RB) formed between the scrolls (2, 3) by extending the spiral body (3b) are brought close to each other. Further, as shown in FIG. 1, both scrolls (2, 3) are arranged so as to be located at the upper part of the suction casing (1).
- the housing (4) provided between the compression element (E) and the machine (M) is provided with a suction element (12, 23), a compression element chamber (12A) that opens strongly, and a suction pipe (11).
- the inner space (12) is divided into the power ( ⁇ B) and the opening (22, 23) at the suction part of the compression element chamber (12A).
- a suction passage (24) communicating with the suction part of the compression element chamber (12A) is formed, and in the housing (4), the compression element chamber (12A) and the electric ( 12B) and a predetermined oil resistance in the oil return passage (25).
- the inner wall surface of the extension of the fixed scroll (2) which extends the end of the scroll (2b) to the end of the scroll (3b) of the orbiting scroll (3), has another portion. Are formed in the same symbolic curve or an approximate curve thereof.
- the first compression formed by the inner wall surface of the spiral body (2b) of the fixed scroll (2) and the outer wall surface of the spiral body (3b) of the movable scroll (3) is determined by the second compression chamber (RB) formed by the outer wall of the scroll (2b) of the fixed scroll (2) and the inner wall of the scroll (3b) of the movable scroll (3). ) Suction volume.
- the compression ratio of the first compression chamber (RA) and the compression ratio of the second compression chamber (B) are different. Therefore, the discharge start angle of the first compression chamber (RA) is set to the second compression chamber (RB) at the winding start end of the spiral body (2b, 3b) of the movable scroll (3) or the fixed scroll (2). Adjustment to make the compression ratio of both compression chambers (RA, RB) the same earlier than the discharge start angle of Notch is formed.
- the housing (4) is formed with a circular outer peripheral surface facing the inner peripheral surface of the closed casing (1), and the upper portion of the housing (4) is cut out over a predetermined range. Absorption ⁇ path (24) Force ⁇ formed.
- the outer peripheral surface of the housing (4) is formed so as to have a small gap (a) force between the outer peripheral surface and the inner peripheral surface of the closed casing (1).
- the slight clearance (a) is set to 2_Rei ⁇ 111 ⁇ 30 / £ / 1 11, the oil return passageway (25) force between the housing (4) and closed casing (1) ⁇ been formed .
- the housing (4) has an outer diameter slightly smaller than the inner diameter of the closed casing (1), and is loosely fitted to the closed casing (1).
- a plurality of welding pins (26) are embedded in the outer periphery of the housing (4), while a portion facing the welding pin (26) is welded to the closed casing (1).
- a hole is formed.
- the housing (4) is fixed by welding with a small gap (a) in the closed casing (1), and the oil return passage (25) is formed by the small gap).
- the oil return passage (25) is a thrust bearing that supports the oil supply passage (27) formed in the exclusive service (5), the bearing (6a, 6b) and the end plate (3a) of the movable scroll (3).
- the housing (4) has a recess (28) in which the shaft member (8) is located, and the oil return passage (25) has a recess (28). This is a passage for returning lubricating oil to (i2B).
- the oil return passage (25) prevents the oil reservoir (29) formed at the bottom of the (12B) from flowing back into the lubricating oil or the liquid refrigerant, and at the same time, the lubricating oil flows into the recess (28). Prevents the accumulation of force ⁇ oil II ⁇ force ⁇ due to the movable scroll (3).
- the oil return passage (25) is formed by a small gap (a) between the closed casing (1) and the housing (4), the housing (4) is sealed by welding using a welding pin (26). Since it can be fixed to the casing (1), it can easily center the drive fist (5). Therefore, it is advantageous in that the oil return passage (25) can be formed and the drive vehicle (5) can be easily centered.
- the oil return passage (25) may be constituted by a communication small hole (b), and although not shown, it may be formed by a notch. Further, the above-mentioned small gap (a) and the communication small hole (b) may be used in combination.
- the suction passage (24) may be provided in the upper part of the closed casing (1) in accordance with the opening position of the suction ports (22, 23) arranged in the upper part of the closed casing (1). I prefer to shift it, In particular, as shown in FIG. 1, the movable scroll (3) closes the intake ports (22, 23) in the revolving direction, ie, the intake ports (22, 23). ) Is preferable.
- the suction pipe (11) is opened at the upper part of the electric motor (12B), and the position of this opening is preferably less than the force of shifting the suction passage (24) in the circumferential direction.
- the movable scroll (3) performs only public vehicle movement without rotating on the fixed scroll (2).
- the refrigerant returning from the cold evaporator flows into the closed casing (1) (12B) from the suction pipe (11).
- This refrigerant flows from (1 2 B) through the suction ⁇ channel (24), flows into the compression element chamber (1 2 A), and enters each compression chamber (RA, RB) from the suction port (22, 23). Compressed.
- the high-pressure refrigerant flows out of each compression chamber (RA, RB) through the discharge port (11) to the discharge chamber (14), and is supplied to the condenser through the discharge pipe (16).
- the refrigerant flows into the compression chambers (RA, B) from the suction ports (22, 23).
- the scrolls (2b, 3b) of the fixed scroll (2) and the moving scroll (3) are asymmetric, the two suction ports (22, 23) are brought close to each other, and the closed casing (1) is used. )
- both the inlets (22, 23) are closed casing U). Since it is located at the upper part, the bubbles of the dissolved liquid and the liquid refrigerant are prevented from being sucked from the inlets (22, 23).
- the position of the opening of the suction pipe (11) to the motor chamber (1 2b) is shifted in the circumferential direction with respect to the suction passage (24), and the suction passage (24) is further connected to the suction ports (22, 23). ) In the circumferential direction. For this reason, as shown by the dotted arrows in FIG.
- the refrigerant including the liquid refrigerant that has been turned into electric power (12B) from the suction pipe (11) first becomes dense in the machine room (12B). It flows circumferentially along the inner peripheral surface of the closed casing (1). After that, the refrigerant enters the compression element chamber (12 A) as shown by the solid arrow in the Ail path (24), and then changes the flow direction to the direction of the suction ports (22, 23). Will flow to
- the liquid refrigerant is separated from the refrigerant in the process of flowing into the suction ports (22, 23) through the suction pipe (11) and the suction ⁇ path (24), and the fiber refrigerant is directly The force of being sucked into the suction ports (22, 23) is prevented. As a result, the gasified refrigerant is filled in the suction ports (22, 23), and therefore, the liquid compression due to the suction of the liquid refrigerant can be reliably prevented. Further, the lubricating oil supplied to the bearings (6a, 6b) and the thrust receiving surface returns to the electric motor (1 2B) through the oil return passage (25), and thus lubricates the concave portion (28) of the housing (4). Oil accumulation is prevented. As a result, oil agitation by the orbiting scroll (3) can be prevented, and the amount of rising oil can be reduced. Further, it is possible to prevent the liquid refrigerant and the lubricating oil from flowing backward from the oil reservoir (29).
- the rigidity can be improved, and the force applied to the housing (4) can reduce the distortion on the thrust receiving surface. Can be improved.
- the horizontal scroll compressor according to the present invention is useful as a compressor such as a refrigerating device, and is particularly suitable for a device that may tear with liquid fluid power.
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/591,652 US5683237A (en) | 1994-06-24 | 1995-06-21 | Horizontal type scroll compressor having inlet ports at an upper level of the casing |
AU27527/95A AU690288B2 (en) | 1994-06-24 | 1995-06-21 | Horizontal scroll compressor |
EP95922725A EP0716231B1 (en) | 1994-06-24 | 1995-06-21 | Horizontal scroll compressor |
KR1019950705767A KR100338267B1 (en) | 1994-06-24 | 1995-06-21 | Horizontal Scroll Compressor |
DE69524367T DE69524367T2 (en) | 1994-06-24 | 1995-06-21 | HORIZONTAL SPIRAL COMPRESSOR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14343494A JP3884778B2 (en) | 1994-06-24 | 1994-06-24 | Horizontal scroll compressor |
JP6/143434 | 1994-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996000350A1 true WO1996000350A1 (en) | 1996-01-04 |
Family
ID=15338626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/001233 WO1996000350A1 (en) | 1994-06-24 | 1995-06-21 | Horizontal scroll compressor |
Country Status (10)
Country | Link |
---|---|
US (1) | US5683237A (en) |
EP (1) | EP0716231B1 (en) |
JP (1) | JP3884778B2 (en) |
KR (1) | KR100338267B1 (en) |
CN (1) | CN1079139C (en) |
AU (1) | AU690288B2 (en) |
DE (1) | DE69524367T2 (en) |
ES (1) | ES2169136T3 (en) |
TW (1) | TW289073B (en) |
WO (1) | WO1996000350A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1046790C (en) * | 1995-11-17 | 1999-11-24 | 倪诗茂 | Positive displacement type vortex fluid compression device with sliding plane thrust bearing |
JPH11294332A (en) | 1998-04-08 | 1999-10-26 | Matsushita Electric Ind Co Ltd | Compressor of refrigeration cycle |
US6086343A (en) * | 1998-06-29 | 2000-07-11 | Scroll Technologies | Sealed compressor mounted between horizontal and vertical |
US6478556B2 (en) * | 1999-12-24 | 2002-11-12 | Lg Electronics Inc. | Asymmetric scroll compressor |
US6887050B2 (en) * | 2002-09-23 | 2005-05-03 | Tecumseh Products Company | Compressor having bearing support |
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JPH0196488A (en) * | 1987-10-08 | 1989-04-14 | Daikin Ind Ltd | Horizontal scroll type compressor |
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JP2618501B2 (en) * | 1989-10-30 | 1997-06-11 | 株式会社日立製作所 | Low-temperature scroll type refrigerator |
JPH04129801A (en) * | 1990-09-21 | 1992-04-30 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
JP3106656B2 (en) * | 1992-02-13 | 2000-11-06 | ダイキン工業株式会社 | Horizontal scroll fluid machine |
JP2994860B2 (en) * | 1992-07-14 | 1999-12-27 | 三菱重工業株式会社 | Horizontal hermetic compressor |
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- 1994-06-24 JP JP14343494A patent/JP3884778B2/en not_active Expired - Fee Related
-
1995
- 1995-06-05 TW TW084105711A patent/TW289073B/en active
- 1995-06-21 WO PCT/JP1995/001233 patent/WO1996000350A1/en active IP Right Grant
- 1995-06-21 AU AU27527/95A patent/AU690288B2/en not_active Ceased
- 1995-06-21 EP EP95922725A patent/EP0716231B1/en not_active Expired - Lifetime
- 1995-06-21 CN CN95190561A patent/CN1079139C/en not_active Expired - Fee Related
- 1995-06-21 KR KR1019950705767A patent/KR100338267B1/en not_active IP Right Cessation
- 1995-06-21 DE DE69524367T patent/DE69524367T2/en not_active Expired - Fee Related
- 1995-06-21 US US08/591,652 patent/US5683237A/en not_active Expired - Lifetime
- 1995-06-21 ES ES95922725T patent/ES2169136T3/en not_active Expired - Lifetime
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JPH0196488A (en) * | 1987-10-08 | 1989-04-14 | Daikin Ind Ltd | Horizontal scroll type compressor |
JPH0326889A (en) * | 1989-06-21 | 1991-02-05 | Hitachi Ltd | Scroll compressor |
JPH05231356A (en) * | 1992-02-21 | 1993-09-07 | Toyota Autom Loom Works Ltd | Scroll type compressor |
JPH0666274A (en) * | 1992-08-19 | 1994-03-08 | Daikin Ind Ltd | Hermetic horizontal scroll compressor |
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Title |
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Microfilm of the specification and drawimgs annexed to the written application of Japanese Utility Model Application No. 45241/1991 (Laid-open No. 129801/1992), (Mitsubishi Heavy Industries, Ltd.), 27 November 1992 (27.11.92), lines 12 to 16, page 5, Figure 1 oil exhaust hole 62. * |
See also references of EP0716231A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP3884778B2 (en) | 2007-02-21 |
DE69524367T2 (en) | 2002-05-23 |
EP0716231B1 (en) | 2001-12-05 |
AU690288B2 (en) | 1998-04-23 |
CN1079139C (en) | 2002-02-13 |
EP0716231A4 (en) | 1998-01-14 |
EP0716231A1 (en) | 1996-06-12 |
CN1129967A (en) | 1996-08-28 |
KR960703200A (en) | 1996-06-19 |
AU2752795A (en) | 1996-01-19 |
JPH0814171A (en) | 1996-01-16 |
KR100338267B1 (en) | 2002-11-23 |
TW289073B (en) | 1996-10-21 |
US5683237A (en) | 1997-11-04 |
ES2169136T3 (en) | 2002-07-01 |
DE69524367D1 (en) | 2002-01-17 |
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